Mamoudzou weather in August

August in Mamoudzou: hot, dry, with clean air — one of the best months to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Mamoudzou Mayotte · Indian Ocean Islands · Island93
  1. 70Jan
  2. 76Feb
  3. 80Mar
  4. 85Apr
  5. 89May
  6. 90Jun
  7. 91Jul
  8. 93Aug
  9. 93Sep
  10. 92Oct
  11. 90Nov
  12. 84Dec

#1 of 12 months in Mamoudzou · #82 of 1413 destinations to visit in August · comfort 93/100 (tier S)

Days
26°C
Nights
24°C
Wet days
2
Sun
10.8 h
Humidity
74%
Daylight
12 h
Mamoudzou, Mayotte
Photo: David Stanley from Nanaimo, Canada · CC BY 2.0

Traveller notes on Mamoudzou in August

Other months in Mamoudzou

There's no Mamoudzou-specific forum thread for March, so this leans on the wider Indian Ocean region's pattern rather than a direct traveler account: neighboring islands like Mauritius and Madagascar describe March as hot, humid and genuinely wet, squarely inside the cyclone-season window for this part of the ocean. Mayotte's own climate record fits that regional pattern - warm, rainy, and humid rather than dry - though the destination's own numbers suggest a bit less total rainfall than some of its more exposed neighbors see this time of year.
IndianOceanRegional · March · 1 month ago · Read more on Tripadvisor ↗
Forum coverage specific to Mamoudzou's September weather is thin, with most forum activity centered on general trip planning, accommodation and diving logistics rather than granular climate detail. Mayotte sits within the same Indian Ocean seasonal pattern as nearby Madagascar and the Comoros, where the austral winter months (roughly May through October) bring a notably drier, cooler stretch than the hot, wet December-to-March cyclone season - September sits comfortably within that drier window. Given the limited detailed trip reports available, travelers planning a September visit should expect the general pattern of a Southern Hemisphere dry season to hold, with real specifics best confirmed closer to travel dates given how few firsthand accounts exist for this destination.
Tripadvisor community · September · 1 month ago · Read more on Tripadvisor ↗

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Mamoudzou climate normals — August

Daytime high26°C / 79°F🥵 hot
Nighttime low24°C / 74°F
Feels like (high)29°C / 84°F
Sea temperature27°C / 80°F😎 warm sea
Rainfall7 mm / 0.3 in☀️ dry
Rainy days2 days
Humidity74%💧 humid
Dew point20°C / 68°F
Sunshine10.8 h/day
Daylight11.7 h
Wind23 km/h / 14 mph
Air quality (US AQI)28🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Mamoudzou in August

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Busyschool holidays in 4 of the markets that fill it, one of its best months for weather(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Mamoudzou's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Best weatherMamoudzou's weather peaks August–October.

August includes Humpback whales in the lagoon.

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Best weatherFair weatherToughest weather

What's on in Mamoudzou in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Nature

    Humpback whales in the lagoon

    1 Jul – 31 Oct · usuallyWhale season

    Humpbacks come up from Antarctic waters to calve inside Mayotte's lagoon, the largest double-barrier lagoon in the world, from around July to October. Most sightings are a mother and calf in shallow, sheltered water rather than a breaching adult.

What's on around the world in August →

Where is Mamoudzou?

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Mamoudzou in August — FAQ

Is August a good time to visit Mamoudzou?
August in Mamoudzou: hot, dry, with clean air — one of the best months to visit. It ranks #1 of 12 months for Mamoudzou on SeasonMap's comfort score (93/100).
What is the weather like in Mamoudzou in August?
In August, Mamoudzou averages a daily high of 25.9°C and a low of 23.5°C, with about 7.4 mm of rain over roughly 2 rainy days.
What is the air quality in Mamoudzou in August?
Mamoudzou has a mean US Air Quality Index of about 28 in August.